This is a hard drive cable with the infrared sensor for the 13″ Macbook Pro Unibody models. Please be sure to check the compatibility tab to the right when selecting which version you need.
Part Number(s): 923-0104, 821-1480, 821-2049
Apple Part Number: 923-0741,923-0104,923-0104
Printed Part Number: 821-1480-A,821-2049-A,821-2480-A
Compatible Year: 2012
Please Double Check Your Macbook Year Model